Passivation - how to preserve VO sortBy & queryMode?

Hello,
I'm working on an app to award scholarships to students... using JDeveloper 11.1.1.2 in an XP environment. I have three main EO-based view objects: one for students and two for awards (student vo is master, award vo's are detail). On my page, I use a dynamic region in a popup to create new rows in the two awarding VO's, then return to the main page which displays a table bound to the student VO so the user can review the data before committing.
When the dynamic region popup closes, a Java method is called to programmatically add a new sortBy clause to the student VO, and change the queryMode to scan entity rows. This works fine under normal conditions, but in testing performance during passivation I noticed that after returning from the dynamic region popup the new awards aren't shown, and my table isn't being sorted. If I commit the controlling AM, the temporary rows show up - so they must still exist in the EO cache.
I'm assuming that in passivation I'm losing the reference to the query mode and sortBy clause because they've been set programmatically.. is there a way to ensure these options are persisted through passivation?
Thanks!

Correct - the VO's Tuning -> Passivate State option is still set (Including All Transient Values is set too, as I do have a transient attribute which can be set in the UI, and I'm sure it's being passivated and restored correctly).
My popup dynamic region is implemented based on the pattern: http://www.oracle.com/technology/products/adf/patterns/11.1.1.0.2/popupregionpattern.pdf. Specifically, I'm setting my query mode and sortBy clause in the regionNavigated method which is called. The code in PopupDynamicRegion.java is currently:
DCIteratorBinding finalistIter = this.getIterBinding("FinalistsBySchlrAppAyForOrg1Iterator");
FinalistsBySchlrAppAyForOrgImpl finalistsVo = (FinalistsBySchlrAppAyForOrgImpl)finalistIter.getViewObject();
finalistsVo.setQueryMode(finalistsVo.QUERY_MODE_SCAN_ENTITY_ROWS);
finalistsVo.executeQuery();
for(Number num : setOfIds) {
finalistsVo.getRow(new Key(new Object[]{num})).setAttribute("Selected", true);
finalistsVo.setSortBy("Selected desc");
finalistsVo.setQueryMode(finalistsVo.QUERY_MODE_SCAN_VIEW_ROWS);
finalistsVo.executeQuery();
I'm currently executing twice because when I do the first entity_row query I'm losing reference to my transient attribute (Selected, which I need to sort by and thus preserve). I've tried using vo.addQueryMode to OR the entity and view modes together but I still was losing that transient attribute. Now that I'm thinking about it though, when I did test the addQueryMode method I didn't re-select my students with that for : each loop... maybe they're being lost when I'm in the dynamic region popup...?
Also, I was doing some optimization work and noticed that my query is being executed again after this method ends.. because my table has a partial trigger on the popup, I assume. The student VO seems to be correct while within the regionNavigated method, after executing the queries programmatically.. so maybe it's that later query that's blowing it away, and I just need to set up the query modes in the regionNavigated method, without executing them, and let the component refreshing take care of re-querying..? Maybe I'll take off the partial trigger on the table and just manually refresh it with an addPartialTarget call.. hmm
I did notice, however, in the Fusion guide that sortBy is NOT mentioned as a passivated component. SortBy is an in-memory sort according to the API, vs. the actual database query's order by clause, so maybe it just can't be passivated? I'm using sortBy instead of Order By because I was getting errors when I tried to use setOrderBy... but maybe I'll just have to resolve those issues..
Anyway, you've given me some ideas on new directions to try... thank you for your support!

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